Gargallo-Garriga A., Wright S.J., Sardans J., Pérez-Trujillo M., Oravec M., Večeřová K., Urban O., Fernández-Martónez M., Parella T., Penuelas J. (2017) Long-term fertilization determines different metabolomic profiles and responses in saplings of three rainforest tree species with different adult canopy position. PLoS ONE. 12: 0-0.EnllaçDoi: 10.1371/journal.pone.0177030
Background Tropical rainforests are frequently limited by soil nutrient availability. However, the response of the metabolic phenotypic plasticity of trees to an increase of soil nutrient availabilities is poorly understood. We expected that increases in the ability of a nutrient that limits some plant processes should be detected by corresponding changes in plant metabolome profile related to such processes. Methodology/Principal findings We studied the foliar metabolome of saplings of three abundant tree species in a 15 year field NPK fertilization experiment in a Panamanian rainforest. The largest differences were among species and explained 75% of overall metabolome variation. The saplings of the large canopy species, Tetragastris panamensis, had the lowest concentrations of all identified amino acids and the highest concentrations of most identified secondary compounds. The saplings of the amid canopyo species, Alseis blackiana, had the highest concentrations of amino acids coming from the biosynthesis pathways of glycerate-3P, oxaloacetate and - ketoglutarate, and the saplings of the low canopy species, Heisteria concinna, had the highest concentrations of amino acids coming from the pyruvate synthesis pathways. Conclusions/Significance The changes in metabolome provided strong evidence that different nutrients limit different species in different ways. With increasing P availability, the two canopy species shifted their metabolome towards larger investment in protection mechanisms, whereas with increasing N availability, the sub-canopy species increased its primary metabolism. The results highlighted the proportional distinct use of different nutrients by different species and the resulting different metabolome profiles in this high diversity community are consistent with the ecological niche theory. © 2017 Gargallo-Garriga et al.This is an open access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.
Garnatje, T., Peñuelas, J., Vallès, J. (2017) Ethnobotany, Phylogeny, and ‘Omics’ for Human Health and Food Security. Trends in Plant Science. 22: 187-191.EnllaçDoi: 10.1016/j.tplants.2017.01.001
Garnatje, T., Peñuelas, J., Vallès, J. (2017) Reaffirming 'Ethnobotanical Convergence'. Trends in Plant Science. : 0-0.EnllaçDoi: 10.1016/j.tplants.2017.06.001
Goll, D.S., Vuichard, N., Maignan, F., Jornet-Puig, A., Sardans, J., Violette, A., Peng, S., Sun, Y., Kvakic, M., Guimberteau, M., Guenet, B., Zaehle, S., Penuelas, J., Janssens, I., Ciais, P. (2017) A representation of the phosphorus cycle for ORCHIDEE (revision 4520). Geoscientific Model Development. 10: 3745-3770.EnllaçDoi: 10.5194/gmd-10-3745-2017
González, T.M., González-Trujillo, J.D., Palmer, J.R.B., Pino, J., Armenteras, D. (2017) Movement behavior of a tropical mammal: The case of Tapirus terrestris. Ecological Modelling. 360: 223-229.EnllaçDoi: 10.1016/j.ecolmodel.2017.07.006
González-Díaz, P., Jump, A.S., Perry, A., Wachowiak, W., Lapshina, E., Cavers, S. (2017) Ecology and management history drive spatial genetic structure in Scots pine. Forest Ecology and Management. 400: 68-76.EnllaçDoi: 10.1016/j.foreco.2017.05.035
González-Moreno, P., Pino, J., Cózar, A., García-de-Lomas, J., Vilà, M. (2017) The effects of landscape history and time-lags on plant invasion in Mediterranean coastal habitats. Biological Invasions. 19: 549-561.EnllaçDoi: 10.1007/s10530-016-1314-z
Grau, O., Geml, J., Pérez-Haase, A., Ninot, J.M., Semenova-Nelsen, T.A., Peñuelas, J. (2017) Abrupt changes in the composition and function of fungal communities along an environmental gradient in the high Arctic. Molecular Ecology. 26: 4798-4810.EnllaçDoi: 10.1111/mec.14227
Grau, O., Peñuelas, J., Ferry, B., Freycon, V., Blanc, L., Desprez, M., Baraloto, C., Chave, J., Descroix, L., Dourdain, A., Guitet, S., Janssens, I.A., Sardans, J., Hérault, B. (2017) Nutrient-cycling mechanisms other than the direct absorption from soil may control forest structure and dynamics in poor Amazonian soils. Scientific Reports. 7: 0-0.EnllaçDoi: 10.1038/srep45017
Greenwood, S., Ruiz-Benito, P., Martínez-Vilalta, J., Lloret, F., Kitzberger, T., Allen, C.D., Fensham, R., Laughlin, D.C., Kattge, J., Bönisch, G., Kraft, N.J.B., Jump, A.S. (2017) Tree mortality across biomes is promoted by drought intensity, lower wood density and higher specific leaf area. Ecology Letters. 20: 539-553.EnllaçDoi: 10.1111/ele.12748
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